Manga series
Space Brothers
宇宙兄弟
Uchuu Kyoudai
Mutta Nanba is the older brother, but Hibito is the JAXA astronaut headed for the Moon. Mutta is in his thirties and out of work after hitting his boss at the car design firm where he had a steady career. It was supposed to be both of them. As boys they spotted a UFO, or so they believed, and promised each other space: the Moon for Hibito and Mars for Mutta. Now Mutta gets a second shot in JAXA's astronaut selection, a marathon of tests where small flaws cost good people their place. Much of the fun is Mutta himself. He is a worrier and a goof, and better at this than he believes. The series treats training and spaceflight with real care. It suits readers who like grown-up career stories, sibling bonds and realistic space travel.
Japanese volumes
46
Out in English
45
Next in English
Not announced
- Author
- Chuya Koyama
- Status
- Finished in Japan
- Started
- 2007
- Updated
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Sci-Fi · Slice of Life
Space Brothers in short
How many volumes of Space Brothers are out in English?
English is at volume 45, Japan at 46. Volume 45 came out on 30 December 2025 as an ebook. Kodansha publishes it in English.
How many volumes does Space Brothers have?
Space Brothers has 46 volumes in Japan. The story is complete.
Is Space Brothers finished?
Yes. Space Brothers ended in Japan in 2026. The English edition is not complete yet.
When is the next English volume of Space Brothers?
No date is announced yet. Mangainfo checks its sources for new dates every morning.
English editions
| Vol. | Title | Publisher | Edition | Release date | ISBN |
|---|---|---|---|---|---|
| Space Brothers volume 32 | Space Brothers, Volume 32 Digital · Kodansha | Kodansha | Digital | 9781642123968 | |
| Space Brothers volume 34 | Space Brothers 34 Digital · Kodansha | Kodansha | Digital | 9781646592104 | |
| Space Brothers volume 35 | Space Brothers 35 Digital · Kodansha | Kodansha | Digital | 9781646592746 | |
| Space Brothers volume 36 | Space Brothers 36 Digital · Kodansha | Kodansha | Digital | 9781646593637 | |
| Space Brothers volume 37 | Space Brothers 37 Digital · Kodansha | Kodansha | Digital | 9781646596621 | |
| Space Brothers volume 38 | Space Brothers 38 Digital · Kodansha | Kodansha | Digital | 9781646598571 | |
| Space Brothers volume 39 | Space Brothers 39 Digital · Kodansha | Kodansha | Digital | 9781636994116 | |
| Space Brothers volume 40 | Space Brothers 40 Digital · Kodansha | Kodansha | Digital | 9781636996318 | |
| Space Brothers volume 43 | Space Brothers 43 Digital · Kodansha | Kodansha | Digital | 9798889333340 | |
| Space Brothers volume 44 | Space Brothers 44 Digital · Kodansha | Kodansha | Digital | 9798894783031 | |
| Space Brothers volume 45 | Space Brothers 45 Digital · Kodansha | Kodansha | Digital | 9798894788128 |
Japanese volumes
Each volume page shows its English edition with date, ISBN and where to buy.
- Vol. 1
- Vol. 2
- Vol. 3
- Vol. 4
- Vol. 5
- Vol. 6
- Vol. 7
- Vol. 8
- Vol. 9
- Vol. 10
- Vol. 11
- Vol. 12
- Vol. 13
- Vol. 14
- Vol. 15
- Vol. 16
- Vol. 17
- Vol. 18
- Vol. 19
- Vol. 20
- Vol. 21
- Vol. 22
- Vol. 23
- Vol. 24
- Vol. 25
- Vol. 26
- Vol. 27
- Vol. 28
- Vol. 29
- Vol. 30
- Vol. 31
- Vol. 32
- Vol. 33
- Vol. 34
- Vol. 35
- Vol. 36
- Vol. 37
- Vol. 38
- Vol. 39
- Vol. 40
- Vol. 41
- Vol. 42
- Vol. 43
- Vol. 44
- Vol. 45
- Vol. 46
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Sources
This page draws on AniList, NDL, openBD, ISBNdb. Each value shows only when a source states it. About the sources